Created at	Source	Raw Value	Validated value
June 25, 2024, noon	usa	inclusion: * completed informed consent * age ≥ 18 years old * currently working in any environment in which there is a risk of exposure to patients with covid-19 infections ("healthcare worker")	inclusion: * completed informed consent * age ≥ 18 years old * currently working in any environment in which there is a risk of exposure to patients with covid-19 infections ("healthcare worker")
Oct. 26, 2020, 11:31 p.m.	usa	inclusion: - completed informed consent - age ≥ 18 years old - currently working in any environment in which there is a risk of exposure to patients with covid-19 infections ("healthcare worker")	inclusion: - completed informed consent - age ≥ 18 years old - currently working in any environment in which there is a risk of exposure to patients with covid-19 infections ("healthcare worker")